85006751 has 4 divisors (see below), whose sum is σ = 85848504. Its totient is φ = 84165000.

The previous prime is 85006739. The next prime is 85006759. The reversal of 85006751 is 15760058.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85006751 - 2¹⁰ = 85005727 is a prime.

It is a super-2 number, since 2×85006751² = 14452295431152002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85006759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420725 + ... + 420926.

It is an arithmetic number, because the mean of its divisors is an integer number (21462126).

Almost surely, 2^85006751 is an apocalyptic number.

85006751 is a deficient number, since it is larger than the sum of its proper divisors (841753).

85006751 is a wasteful number, since it uses less digits than its factorization.

85006751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841752.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 85006751 is about 9219.9105744036. The cubic root of 85006751 is about 439.6946072987.

It can be divided in two parts, 8500 and 6751, that added together give a palindrome (15251).

The spelling of 85006751 in words is "eighty-five million, six thousand, seven hundred fifty-one".